#include <stdio.h>
#include <stdlib.h>

extern case045_test(void);
extern case047_test(void);
extern int my_001_test (void);
extern void my_002_test(void);
int main(void)

{
    int i = 1;
	int j = 100;
	printf("i = %03d, j = %03d",i, j);
	printf("hello world\n");
	//case001_test();
	//case045_test();
	//case047_test();
	//my_001_test();
	my_002_test();
	system("pause");
	return 0;
}